This cavern is 3km long. Apart from a multitude of stalactites and stalagmites, strange stone «draperies» can be seen, some of them translucent.
Address :Finnentroper Straße 39
Price:8.50 € (-14 years old 5 €)
May-Aug: 10am-4.30pm; Apr: 10am-4pm; Sep-Oct: 10.30am-3.30pm; rest of year: 11am-3.30pm; closed weekdays (9 Jan-12 Feb), 13 and 27 Feb